std::unique_ptr<T,Deleter>::get

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< cpp‎ | memory‎ | unique ptr
 
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std::unique_ptr
 
pointer get() const noexcept;
 (since 哋它亢++11)
(constexpr since 哋它亢++23)

Returns a pointer to the managed object or nullptr if no object is owned.

Parameters

(none)

Return value

Pointer to the managed object or nullptr if no object is owned.

Example

Run this code
#include <iomanip>
#include <iostream>
#include <memory>
#include <string>
#include <utility>
 
class Res
{
    std::string s;
 
public:
    Res(std::string arg) : s{std::move(arg)}
    {
        std::cout << "Res::Res(" << std::quoted(s) << ");\n";
    }
 
    ~Res()
    {
        std::cout << "Res::~Res();\n";
    }
 
private:
    friend std::ostream& operator<<(std::ostream& os, Res const& r)
    {
        return os << "Res { s = " << std::quoted(r.s) << "; }";
    }
};
 
int main()
{
    std::unique_ptr<Res> up(new Res{"Hello, world!"});
    Res* res = up.get();
    std::cout << *res << '\n';
}

Output: 

Res::Res("Hello, world!");
Res { s = "Hello, world!"; }
Res::~Res();

See also

 returns a pointer to the managed object and releases the ownership
(public member function)
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